8401009452 has 24 divisors (see below), whose sum is σ = 21384388032. Its totient is φ = 2545760400.

The previous prime is 8401009451. The next prime is 8401009453. The reversal of 8401009452 is 2549001048.

It is an interprime number because it is at equal distance from previous prime (8401009451) and next prime (8401009453).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8401009451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31821874 + ... + 31822137.

It is an arithmetic number, because the mean of its divisors is an integer number (891016168).

Almost surely, 2^8401009452 is an apocalyptic number.

It is an amenable number.

8401009452 is an abundant number, since it is smaller than the sum of its proper divisors (12983378580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8401009452 is a wasteful number, since it uses less digits than its factorization.

8401009452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63644029 (or 63644027 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 8401009452 is about 91657.0207458218. The cubic root of 8401009452 is about 2032.8741392042.

The spelling of 8401009452 in words is "eight billion, four hundred one million, nine thousand, four hundred fifty-two".